Danfoss AK-SM 800 User manual

Operating Guide

AK-SM 800

Overview

Reconﬁguration step-by-step

Replacement process

When replacing a generic device on an AK-SM 800 system, issues are seen which leads to additional

time spent during this replacement process.

Typical issues are:

1. Duplicate addresses

2. Uncfg messages shown

3. *Mismatch* shown

4. Loss of programmed settings

The following guideline explains how to address and/or avoid such issues by following a standard

replacement method. The guide also describes known pitfalls which could lead to above issues.

It is the precondition for this guideline that a system is fully conﬁgured and operational with at least

one case controller (generic device).

Replace controller

and connect device

Update SM 800

Firmware

  

Install required EDF

ﬁles and Device List

Reconﬁgure SM

800 for new device

Step 1: Replace controller

Before making the physical replacement of

the device, ensure that unintended alarms

are not sent to monitoring centers. The ﬁeld

communication line must be disconnected and

the new device reconﬁgured, before the alarm

system will function properly again for the given

device.

Replace the controller and reconnect the ﬁeld

communication line from the System Manager to

the new device.

Conﬁgure the device with the correct ﬁeld bus

address and application.

Step 3: Install required EDF ﬁles

and Device List

Please refer to the User Guide

BC316842192932en-00010

All changes to the device.ls3 ﬁle and EDF ﬁles

require a unit reset.

Step 2: Update SM 800 ﬁrmware

It is advised to always use the latest SM 800

ﬁrmware in order to take advantage of features

and support for latest devices.

Please refer to the User Guide

BC316842192932en-000101

1. Conﬁrm scan status:

Conﬁrm current Scan Status for existing conﬁguration. Address 10 shows an existing AK-CC 550

MODBUS.

Step 4: Reconﬁgure SM 800 for new device

The recommended method to reconﬁguring a

newly added device as replacement of another

is to use the manual conﬁguration screens rather

than the assisted layout wizard.

If you are replacing the controller with a

controller of the same type and software version,

no EDF related changes to the system manager is

required.

Operating Guide | AK-SM 800

2 | AQ314725020974en-000101 © Danfoss | DCS (vt) | 2019.09

2. Rescan the system:

Having replaced the existing device with a new on the same address (084B4082 in this example),

Rescan the system.

Current Scan Status will now show the new detected device as ‘Uncfg’.

Navigating to Conﬁguration Control Refrigeration Circuits, ‘Mismatch’ is shown next

to the newly added device to indicate that a wrong conﬁguration ﬁle is in use for the newly added

device. Ensure the “Show only scanned Devices“ is set to “Yes”.

3. Setup the new device correctly:

Note: the correct EDF ﬁle for the new device MUST be installed!

Change the conﬁguration ﬁle to the correct one and conﬁrm that the‘Mismatch’ message is gone.

Operating Guide | AK-SM 800

4. Recheck the rescan result:

Navigate to Conﬁguration Network nodes Scan Status and click on ‘Controllers’. Now conﬁrm

that the ‘Uncfg’ is gone after having installed the correct EDF ﬁle and reconﬁgured the new device.

5. Reset system:

The above ﬂow is executed via StoreView Desktop. It is also possible to complete these steps using the

local screen interface.

ADAP-KOOL®

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